PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19MM504Reactor

Keysight Technologies Inc · NSN 5950-00-648-1998 · FSC 5950 · No Item Name Available
Verified by PartsTable
NSN 5950-00-648-1998 — this item is cataloged by the U.S. Government under National Stock Number 5950-00-648-1998. Primary manufacturer part number: 19MM504.
Features
  • Reactor — FSC 5950
  • Mounting Method: THREADED STUD(S) SINGLE GROUP
  • Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
  • Inclosure Type: HERMETICALLY SEALED
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
  • Nominal Thread Size: 0.164 INCHES SINGLE GROUP IN
  • Inductance Rating: 10.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Reactor, cataloged under National Stock Number 5950-00-648-1998, is classified within Federal Supply Class 5950 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5950-00-648-1998
Primary Part Number19MM504
Item NameReactor
FSC / FSG5950 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Mounting MethodTHREADED STUD(S) SINGLE GROUP
Rating MethodELECTRICAL SINGLE COMPONENT SINGLE WINDING
Inclosure TypeHERMETICALLY SEALED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Nominal Thread Size0.164 INCHES SINGLE GROUP IN
Inductance Rating10.00 HENRY MAXIMUM SINGLE COMPONENT SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length2.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Reliability IndicatorNOT ESTABLISHED
Mounting Facility Quantity4 SINGLE GROUP
Body Length3.234 INCHES MAXIMUM IN
Body Height3.250 INCHES MAXIMUM IN
Winding Quantity1 SINGLE COMPONENT
Inductance TypeFIXED
DC Resistance Rating in Ohms250.000 SINGLE COMPONENT SINGLE WINDING
Terminal Type and Quantity2 STANDOFF, SOLDER LUG
Body Width3.000 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
Thread Quantity Per Inch32 SINGLE GROUP
Winding Operating Current150.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5815-00-125-48882378 INTERCHANGEABLE
Bar,connecting,teletypewriter
Lucent Technologies Inc Corporate Headquarters
1650-00-166-574425321 INTERCHANGEABLE
Retainer,drive Shaf
Arvinmeritor Inc
5330-00-226-80872378 INTERCHANGEABLE
Gasket,spiral Wound
Velan Valve Corp.
3455-00-272-9775 INTERCHANGEABLE
Cutter Bit,tool Holder
5120-00-288-875425321 INTERCHANGEABLE
Handle,shovel
Wta Tool Llc
4210-00-300-56852-037-0008 INTERCHANGEABLE
Vane Kit,rotor,foam Maker Pump
Badger Fire Protection Inc
5845-00-338-863925321 INTERCHANGEABLE
Pen Subassy
Raytheon Company Dba Raytheon
5975-00-471-337225321 INTERCHANGEABLE
Cable Nipple,electrical
Champion Aerospace Llc
5330-00-641-20690S528 INTERCHANGEABLE
Seal,plain Encased
Hoist Liftruck Mfg Inc
2940-00-756-851842378 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
19MM504 Keysight Technologies, Inc. (USA)
110708 E-Systems Inc Memcor Div Florida Opns (USA)
19MM504 PRIMARY Keysight Technologies Inc (USA)
25321 PRIMARY Freed Transformer Co (USA)
911-9N PRIMARY Agilent Technologies, Inc. Div Agilent Technologies Headquarters (USA)
5MS1096 PRIMARY Keysight Technologies Inc (USA)
5MS1096 Hewlett-Packard Company Dba HP (USA)
5MS1096 Keysight Technologies, Inc. (USA)
911-9N Hewlett-Packard Co Mfg Div (USA)
2378 PRIMARY Magnetek Inc Lighting Products Group (USA)
19MM504 Hewlett-Packard Company Dba HP (USA)
2378 Magnetek Inc Huntington Div (USA)
0153-03042 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
Related Parts
5815-00-125-4888INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
2378
1650-00-166-5744INTERCHANGEABLE
RETAINER,DRIVE SHAF
25321
5330-00-226-8087INTERCHANGEABLE
GASKET,SPIRAL WOUND
2378
3455-00-272-9775INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
5120-00-288-8754INTERCHANGEABLE
HANDLE,SHOVEL
25321
4210-00-300-5685INTERCHANGEABLE
VANE KIT,ROTOR,FOAM MAKER PUMP
2-037-0008
5845-00-338-8639INTERCHANGEABLE
PEN SUBASSY
25321
5975-00-471-3372INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
25321
5330-00-641-2069INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S528
2940-00-756-8518INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42378
4820-00-770-2808INTERCHANGEABLE
RETAINER,DIAPHRAGM
110708
5330-00-809-1052INTERCHANGEABLE
SEAL,NONMETALLIC STRIP
BA3026-2

Frequently Asked Questions

What is NSN 5950-00-648-1998?

NSN 5950-00-648-1998 is a Reactor, manufactured by Keysight Technologies Inc, classified under FSC 5950 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5950-00-648-1998?

NSN 5950-00-648-1998 has 13 cross-referenced part numbers: 19MM504 (Keysight Technologies, Inc.), 110708 (E-Systems Inc Memcor Div Florida Opns), 19MM504 (Keysight Technologies Inc), 25321 (Freed Transformer Co), 911-9N (Agilent Technologies, Inc. Div Agilent Technologies Headquarters) and 8 more.

What NSN replaces 5950-00-648-1998?

There are 12 known substitutes for 5950-00-648-1998: 5815-00-125-4888, 1650-00-166-5744, 5330-00-226-8087 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19MM504?

Key specifications for 19MM504: Mounting Method: THREADED STUD(S) SINGLE GROUP; Rating Method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING; Inclosure Type: HERMETICALLY SEALED; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5950-00-648-1998 still in active supply?

NSN 5950-00-648-1998 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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